/* ==========================================================================
   擦边短剧 · 整站样式表
   版本：1.0
   说明：本样式表覆盖全站 8 个页面的全部真实 DOM 结构。
   ========================================================================== */

/* ==========================================================================
   Base —— 基础变量、重置、字体、颜色
   ========================================================================== */

:root {
  /* 色彩体系 */
  --color-page-bg: #f6f2ea;
  --color-ink: #263026;
  --color-card-bg: #ffffff;
  --color-accent: #2f5f56;
  --color-action: #c46b45;
  --color-line: #d8d0be;
  --color-summary-bg: #f0e4d8;
  --color-footer-bg: #20231f;
  --color-footer-text: #d8d0be;
  --color-footer-heading: #f6f2ea;
  --color-white: #ffffff;

  /* 字体族 */
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  /* 字号与行高 */
  --text-h1: 32px;
  --text-h2: 22px;
  --text-h3: 17px;
  --text-body: 16px;
  --text-small: 13px;
  --line-h1: 1.35;
  --line-h2: 1.5;
  --line-h3: 1.6;
  --line-body: 1.85;
  --line-small: 1.7;

  /* 布局尺寸 */
  --container-outer: 1280px;
  --container-inner: 1200px;
  --gutter: 24px;
  --radius-card: 8px;
  --radius-btn: 4px;

  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* 重置 */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  background-color: var(--color-page-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-action);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  line-height: 1.5;
  font-weight: 600;
}

/* 通用容器 */
.site-header,
.site-main,
.site-footer {
  width: 100%;
}

/* ==========================================================================
   Layout —— 页面骨架、栅格、容器
   ========================================================================== */

/* 外层容器 */
.header-shell,
.footer-shell,
.home-main > section,
.inner-main .breadcrumb,
.inner-main .page-header,
.inner-main .layout-shell,
.inner-main .page-layout,
.inner-main .section-inner,
.inner-main .guide-related-links,
.inner-main .sidebar-inner,
.error-main .error-section {
  max-width: var(--container-inner);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  width: 100%;
}

/* 首页 hero 区宽一点，但仍受外层约束 */
.home-main .hero-media-with-text-and-actions {
  max-width: var(--container-outer);
}

/* 内页主体 */
.site-main {
  flex: 1 0 auto;
}

.inner-main {
  padding-top: 32px;
  padding-bottom: 64px;
}

/* 页面标题区 —— 全站统一 */
.breadcrumb {
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--color-ink);
  opacity: 0.8;
}

.breadcrumb a:hover {
  color: var(--color-action);
  opacity: 1;
}

.breadcrumb-sep {
  margin: 0 8px;
  opacity: 0.5;
}

.breadcrumb-current {
  color: var(--color-accent);
  font-weight: 500;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: var(--text-h1);
  line-height: var(--line-h1);
  color: var(--color-ink);
  font-weight: 700;
  max-width: 75%;
  margin-bottom: 12px;
}

.page-description {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  max-width: 75%;
}

/* 内容与侧栏两栏栅格（默认：主内容在前，侧栏在后） */
.page-layout,
.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.content-primary,
.main-content {
  min-width: 0;
  min-width: 520px;
}

.content-aside,
.sidebar,
.sidebar-secondary {
  min-width: 0;
}

/* 侧栏卡片 */
.aside-card,
.sidebar-inner,
.sidebar-secondary {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px;
}

/* 侧栏标题 */
.aside-card h2,
.sidebar-inner h2,
.sidebar-secondary h2,
.aside-panel h2 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

/* 侧栏列表 */
.aside-list,
.aside-links,
.sidebar-links,
.sidebar-secondary ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-list a,
.aside-links a,
.sidebar-links a,
.sidebar-secondary ul a {
  display: block;
  padding: 6px 0;
  color: var(--color-ink);
  font-size: var(--text-body);
  line-height: 1.6;
  border-bottom: 1px dashed var(--color-line);
}

.aside-list a:hover,
.aside-links a:hover,
.sidebar-links a:hover,
.sidebar-secondary ul a:hover {
  color: var(--color-action);
}

/* ==========================================================================
   Components —— 页头导航
   ========================================================================== */

.site-header {
  background-color: var(--color-page-bg);
  border-bottom: 1px solid var(--color-line);
  position: relative;
  z-index: 100;
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--color-ink);
  opacity: 0.85;
  border-radius: var(--radius-btn);
  transition: background-color var(--transition-fast), color var(--transition-fast),
    opacity var(--transition-fast);
  position: relative;
}

.nav-list a:hover {
  background-color: rgba(47, 95, 86, 0.08);
  color: var(--color-accent);
  opacity: 1;
}

.nav-list a.is-current {
  color: var(--color-accent);
  opacity: 1;
  font-weight: 600;
  background-color: rgba(47, 95, 86, 0.06);
}

.nav-list a.is-current::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

/* 汉堡按钮 —— 桌面隐藏 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-btn);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   Components —— 首页各模块
   ========================================================================== */

.home-main {
  padding-bottom: 0;
}

/* --- 首屏媒体与三任务区 --- */
.hero-media-with-text-and-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

.hero-copy {
  min-width: 0;
}

.hero-copy h1 {
  font-size: 34px;
  line-height: var(--line-h1);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-ink);
}

.hero-lead {
  font-size: 17px;
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
  min-height: 44px;
}

.action-link:nth-child(1) {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.action-link:nth-child(1):hover {
  background-color: #264a43;
  color: var(--color-white);
}

.action-link:nth-child(2) {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.action-link:nth-child(2):hover {
  background-color: rgba(47, 95, 86, 0.08);
}

.action-link:nth-child(3) {
  background-color: transparent;
  color: var(--color-action);
  border-color: var(--color-action);
}

.action-link:nth-child(3):hover {
  background-color: rgba(196, 107, 69, 0.08);
}

.content-note {
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.6;
  margin-top: 16px;
  padding-left: 12px;
  border-left: 2px solid var(--color-line);
}

.hero-media {
  min-width: 0;
}

.hero-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.7;
  background-color: var(--color-card-bg);
}

/* --- 全站事实条 --- */
.site-fact-bar {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-summary-bg);
  margin-bottom: 0;
}

.site-fact-bar p {
  padding: 14px 0;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  text-align: center;
  opacity: 0.85;
}

/* --- 频道地图速览 --- */
.channel-strip-overview {
  padding-top: 48px;
  padding-bottom: 48px;
}

.channel-strip-overview .section-intro {
  margin-bottom: 24px;
}

.section-intro {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.8;
  max-width: 680px;
}

.channel-strip-overview h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 8px;
}

.channel-strip-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.channel-strip-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.channel-strip-item:hover {
  box-shadow: 0 4px 12px rgba(38, 48, 38, 0.06);
  transform: translateY(-2px);
}

.channel-strip-item h3 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-accent);
  font-weight: 600;
}

.channel-strip-item p {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.85;
  flex-grow: 1;
}

.channel-strip-item a {
  color: var(--color-action);
  font-size: var(--text-small);
  font-weight: 500;
  align-self: flex-start;
  padding-top: 4px;
  border-bottom: 1px solid transparent;
}

.channel-strip-item a:hover {
  border-bottom-color: var(--color-action);
}

/* --- 题材标签入口 --- */
.genre-tag-entry-row {
  padding-top: 40px;
  padding-bottom: 48px;
  border-top: 1px solid var(--color-line);
}

.genre-tag-entry-row h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 8px;
}

.genre-tag-entry-row .section-intro {
  margin-bottom: 20px;
}

.genre-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.genre-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-ink);
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
  cursor: pointer;
}

.genre-tag:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* --- 片单选编视觉预览 --- */
.curation-visual-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 48px;
  background-color: var(--color-summary-bg);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.curation-visual-preview .curation-preview-copy {
  min-width: 0;
}

.curation-preview-copy h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.curation-preview-copy p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-accent);
  font-weight: 500;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.text-link:hover {
  color: var(--color-action);
  border-bottom-color: var(--color-action);
}

.curation-preview-media {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
}

.curation-preview-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.curation-preview-media figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.7;
}

/* --- 开播前核对短清单 --- */
.watch-check-list {
  padding-top: 48px;
  padding-bottom: 48px;
}

.watch-check-list h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 8px;
}

.watch-check-list .section-intro {
  margin-bottom: 24px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 32px;
  counter-reset: check-counter;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  counter-increment: check-counter;
  transition: background-color var(--transition-fast);
}

.check-list li:hover {
  background-color: var(--color-summary-bg);
}

.check-list li::before {
  content: counter(check-counter, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-action);
  flex-shrink: 0;
  line-height: 1.6;
  padding-top: 2px;
}

.check-action {
  font-weight: 600;
  color: var(--color-ink);
  flex-shrink: 0;
  font-size: 15px;
  line-height: 1.6;
}

.check-desc {
  color: var(--color-ink);
  opacity: 0.8;
  font-size: 14px;
  line-height: 1.7;
}

/* --- 出口双链 --- */
.exit-dual-links {
  padding-top: 48px;
  padding-bottom: 56px;
  border-top: 1px solid var(--color-line);
}

.exit-dual-links .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dual-link-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.dual-link-card:hover {
  box-shadow: 0 4px 12px rgba(38, 48, 38, 0.06);
  transform: translateY(-2px);
}

.dual-link-card h3 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-accent);
  font-weight: 600;
}

.dual-link-card p {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.85;
  flex-grow: 1;
}

.dual-link-card a {
  color: var(--color-action);
  font-size: var(--text-small);
  font-weight: 500;
  align-self: flex-start;
  padding-top: 4px;
}

/* 首页相关链接条 */
.related-links {
  border-top: 1px solid var(--color-line);
  background-color: var(--color-page-bg);
}

.related-links .related-links-label {
  font-size: var(--text-small);
  color: var(--color-ink);
  opacity: 0.7;
}

.related-links-item {
  color: var(--color-accent);
}

/* ==========================================================================
   Components —— 内页通用模块
   ========================================================================== */

/* 区块标题 */
.section-title {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 12px;
}

/* 内页标题区 */
.inner-main .page-header {
  margin-bottom: 28px;
}

/* 频道地图页 */
.channel-intro,
.channel-item,
.channel-scene,
.next-steps {
  margin-bottom: 40px;
}

.channel-intro p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.channel-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.channel-item-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-item .section-title {
  font-size: var(--text-h2);
  margin-bottom: 0;
}

.channel-item > .channel-item-inner > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 4px;
}

.channel-detail-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-line);
  margin-top: 8px;
}

.detail-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-line);
  align-items: baseline;
}

.detail-row dt {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-accent);
  line-height: 1.6;
}

.detail-row dd {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.88;
}

/* 频道场景图 */
.channel-scene {
  background-color: var(--color-summary-bg);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid var(--color-line);
}

.channel-scene .section-title {
  margin-bottom: 16px;
}

.scene-figure {
  margin: 0 0 16px 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.scene-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.scene-figure figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
  background-color: var(--color-card-bg);
}

.channel-scene > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
}

/* 下一步入口 */
.next-steps .section-title {
  margin-bottom: 8px;
}

.next-steps > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 16px;
}

.next-step-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.next-step-links a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.next-step-links a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* --- 题材库页 --- */
.genre-usage-note {
  margin-bottom: 32px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.usage-note-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.usage-note-text {
  min-width: 0;
}

.usage-note-text p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.usage-note-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-page-bg);
  border: 1px solid var(--color-line);
}

.usage-note-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.usage-note-figure figcaption {
  padding: 8px 14px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
}

/* 题材条目列表 */
.genre-item-list {
  margin-bottom: 32px;
}

.genre-item-list .section-inner {
  gap: 16px;
}

.genre-item-list .section-title {
  margin-bottom: 8px;
}

.genre-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.genre-card:hover {
  box-shadow: 0 4px 12px rgba(38, 48, 38, 0.06);
}

.genre-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-page-bg);
}

.genre-card-header h3 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-accent);
  font-weight: 600;
}

.genre-card-header .genre-tag {
  font-size: var(--text-small);
  padding: 4px 12px;
  border-radius: 999px;
  background-color: var(--color-summary-bg);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  opacity: 0.85;
  cursor: default;
}

.genre-card-header .genre-tag:hover {
  background-color: var(--color-summary-bg);
  color: var(--color-ink);
}

.genre-card-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.genre-card-body > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
}

.genre-expectation,
.genre-boundary {
  background-color: var(--color-page-bg);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
}

.genre-boundary {
  border-left-color: var(--color-action);
}

.genre-expectation h4,
.genre-boundary h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 4px;
  font-family: var(--font-sans);
}

.genre-boundary h4 {
  color: var(--color-action);
}

.genre-expectation p,
.genre-boundary p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.88;
}

/* 题材连接面板 */
.sidebar-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.aside-panel {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px;
}

.aside-panel h2 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.aside-panel p {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 16px;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-links a {
  display: block;
  padding: 8px 0;
  font-size: var(--text-body);
  color: var(--color-accent);
  border-bottom: 1px dashed var(--color-line);
}

.aside-links a:hover {
  color: var(--color-action);
}

/* --- 片单选编页 --- */
.curation-summary {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 32px;
}

.curation-summary h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.curation-summary p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.curation-summary p:last-child {
  margin-bottom: 0;
}

.curation-principle {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 20px;
}

.curation-principle h3 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.curation-principle p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 10px;
}

.curation-principle p:last-child {
  margin-bottom: 0;
}

/* 片单视觉对照 */
.curation-visual {
  background-color: var(--color-summary-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 32px;
}

.curation-visual h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 8px;
}

.curation-visual > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 20px;
}

.visual-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.visual-item {
  margin: 0;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.visual-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.visual-item figcaption {
  padding: 10px 14px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.8;
}

/* 片单使用建议 */
.curation-usage-advice {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 32px;
}

.curation-usage-advice h2 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.curation-usage-advice > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 16px;
}

.advice-list {
  counter-reset: advice-counter;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.advice-list li {
  counter-increment: advice-counter;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.88;
}

.advice-list li::before {
  content: counter(advice-counter, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-action);
  flex-shrink: 0;
  line-height: 1.7;
}

.curation-usage-advice > p:last-child {
  margin-bottom: 0;
  font-size: 15px;
}

/* 片单页后续路径 */
.next-steps ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.next-steps ul li a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent);
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast);
}

.next-steps ul li a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* 片单页侧栏 */
.sidebar-secondary {
  position: sticky;
  top: 24px;
}

.sidebar-secondary > p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.8;
  margin-bottom: 12px;
}

.sidebar-secondary ul {
  border-top: 1px solid var(--color-line);
}

.sidebar-secondary ul li a {
  border-bottom: 1px dashed var(--color-line);
}

/* --- 观看指南页 --- */
.guide-intro-statement,
.check-step-one,
.check-step-two,
.check-step-three,
.guide-status-image,
.abnormal-handling-summary,
.feedback-entry {
  margin-bottom: 32px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.guide-intro-statement .section-title {
  margin-bottom: 12px;
}

.guide-intro-statement p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
}

.check-step-one,
.check-step-two,
.check-step-three {
  border-left: 4px solid var(--color-accent);
}

.check-step-one .section-title,
.check-step-two .section-title,
.check-step-three .section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: var(--text-h2);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50%;
  flex-shrink: 0;
}

.check-step-one > p,
.check-step-two > p,
.check-step-three > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.check-tip {
  background-color: var(--color-summary-bg);
  border-radius: var(--radius-btn);
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
}

.check-tip strong {
  color: var(--color-action);
  font-weight: 600;
}

/* 观看指南状态图 */
.guide-status-image {
  background-color: var(--color-summary-bg);
}

.guide-status-image .section-title {
  margin-bottom: 16px;
}

.status-figure {
  margin: 0 0 16px 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.status-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.status-figure figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
}

.guide-status-image > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
}

/* 异常处理清单 */
.abnormal-handling-summary .section-title {
  margin-bottom: 16px;
}

.handling-list {
  counter-reset: handling-counter;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 16px;
}

.handling-list li {
  counter-increment: handling-counter;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.88;
}

.handling-list li::before {
  content: counter(handling-counter, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-action);
  flex-shrink: 0;
  line-height: 1.7;
}

.handling-list li strong {
  color: var(--color-ink);
  font-weight: 600;
  flex-shrink: 0;
}

.abnormal-handling-summary > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
}

/* 反馈入口 */
.feedback-entry .section-title {
  margin-bottom: 12px;
}

.feedback-entry > p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
  margin-bottom: 12px;
}

.feedback-entry > p:last-child {
  margin-bottom: 0;
}

.feedback-entry a {
  color: var(--color-accent);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.feedback-entry a:hover {
  color: var(--color-action);
  border-bottom-color: var(--color-action);
}

/* 观看指南页相关导航 */
.guide-related-links {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px 24px;
}

.guide-related-links h2 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.guide-related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.guide-related-links ul li a {
  display: inline-block;
  padding: 6px 0;
  font-size: var(--text-body);
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
}

.guide-related-links ul li a:hover {
  color: var(--color-action);
  border-bottom-color: var(--color-action);
}

/* --- 观前问答页 --- */
.faq-intro {
  margin-bottom: 32px;
}

.faq-intro .section-title {
  margin-bottom: 12px;
}

.faq-intro p {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
}

.faq-group {
  margin-bottom: 32px;
}

.faq-group .section-title {
  font-size: var(--text-h2);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-accent);
}

.faq-item summary {
  padding: 16px 20px;
  font-size: var(--text-body);
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  padding-right: 44px;
  transition: background-color var(--transition-fast);
}

.faq-item summary:hover {
  background-color: var(--color-page-bg);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) scale(1.2);
}

.faq-answer {
  padding: 0 20px 16px 20px;
  border-top: 1px dashed var(--color-line);
}

.faq-answer p {
  padding-top: 12px;
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.88;
}

.faq-answer p + p {
  padding-top: 8px;
}

.faq-answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-answer a:hover {
  color: var(--color-action);
}

/* FAQ 图片说明 */
.faq-image-note {
  margin-bottom: 32px;
  background-color: var(--color-summary-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.faq-image-note .section-title {
  margin-bottom: 16px;
}

.faq-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.faq-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.faq-figure figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
}

/* FAQ 关联文档 */
.faq-related-docs {
  margin-bottom: 32px;
}

.faq-related-docs .section-title {
  margin-bottom: 16px;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.related-link {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.related-link:hover {
  box-shadow: 0 4px 12px rgba(38, 48, 38, 0.06);
  transform: translateY(-2px);
}

.related-link h3 {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.related-link p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.8;
}

/* FAQ 侧栏 */
.sidebar {
  position: sticky;
  top: 24px;
}

.sidebar-inner {
  padding: 20px;
}

.sidebar-title {
  font-size: var(--text-h3);
  line-height: var(--line-h3);
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-links li a {
  display: block;
  padding: 8px 0;
  font-size: var(--text-body);
  color: var(--color-ink);
  border-bottom: 1px dashed var(--color-line);
}

.sidebar-links li a:hover {
  color: var(--color-action);
}

.sidebar-note {
  margin-top: 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.7;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

/* --- 内容边界页 --- */
.policy-summary-block,
.policy-scope-section,
.policy-exclusion-section,
.policy-column-principles,
.policy-feedback-flow,
.policy-image-note {
  margin-bottom: 32px;
}

.policy-summary-block {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  border-left: 4px solid var(--color-accent);
}

.policy-summary-block .section-title {
  margin-bottom: 12px;
}

.summary-paragraph {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.9;
}

.policy-scope-section,
.policy-exclusion-section,
.policy-column-principles,
.policy-feedback-flow {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.section-intro {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 20px;
}

.scope-list,
.exclusion-list,
.principles-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.scope-item,
.exclusion-item,
.principle-item {
  background-color: var(--color-page-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scope-item h3,
.exclusion-item h3,
.principle-item h3 {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-accent);
  font-family: var(--font-sans);
}

.exclusion-item h3 {
  color: var(--color-action);
}

.scope-item p,
.exclusion-item p,
.principle-item p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
  opacity: 0.88;
}

.scope-item a {
  font-size: var(--text-small);
  color: var(--color-accent);
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.scope-item a:hover {
  color: var(--color-action);
  border-bottom-color: var(--color-action);
}

/* 反馈流程 */
.feedback-steps {
  counter-reset: feedback-counter;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feedback-steps li {
  counter-increment: feedback-counter;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--color-line);
  align-items: start;
}

.feedback-steps li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feedback-steps li::before {
  content: counter(feedback-counter, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  border-radius: 50%;
  flex-shrink: 0;
  grid-column: 1;
  grid-row: 1;
}

.feedback-steps li h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-ink);
  font-family: var(--font-sans);
  padding-top: 4px;
}

.feedback-steps li p {
  grid-column: 2;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
  opacity: 0.88;
}

.feedback-steps li a {
  grid-column: 2;
  font-size: var(--text-small);
  color: var(--color-accent);
  align-self: flex-start;
}

/* 边界示意说明图 */
.policy-image-note {
  background-color: var(--color-summary-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.policy-image-note .section-title {
  margin-bottom: 16px;
}

.policy-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.policy-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.policy-figure figcaption {
  padding: 10px 16px;
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.75;
}

/* 内容边界页侧栏 */
.content-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aside-note {
  background-color: var(--color-summary-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 16px;
}

.aside-note p {
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.8;
}

/* ==========================================================================
   Components —— 404 页面
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 0;
}

.error-section {
  text-align: center;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  max-width: 600px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 96px;
  line-height: 1;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: var(--text-h2);
  line-height: var(--line-h2);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.error-desc {
  font-size: var(--text-body);
  line-height: var(--line-body);
  color: var(--color-ink);
  opacity: 0.85;
  margin-bottom: 24px;
}

.error-actions {
  margin-bottom: 24px;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  min-height: 44px;
  transition: background-color var(--transition-fast);
}

.btn-home:hover {
  background-color: #264a43;
  color: var(--color-white);
}

.error-help {
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-ink);
  opacity: 0.7;
  margin-bottom: 12px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
}

.error-links li a {
  font-size: var(--text-body);
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.error-links li a:hover {
  color: var(--color-action);
  border-bottom-color: var(--color-action);
}

/* ==========================================================================
   Components —— 页脚
   ========================================================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: auto;
}

.footer-shell {
  padding-top: 48px;
  padding-bottom: 24px;
}

.footer-brand {
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(216, 208, 190, 0.2);
  margin-bottom: 24px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-footer-text);
  opacity: 0.85;
  max-width: 480px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  padding-bottom: 32px;
}

.footer-group h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-footer-heading);
  font-family: var(--font-sans);
  margin-bottom: 12px;
}

.footer-group ul li {
  margin-bottom: 6px;
}

.footer-group ul li a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-footer-text);
  opacity: 0.8;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.footer-group ul li a:hover {
  color: var(--color-footer-heading);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(216, 208, 190, 0.15);
  padding-top: 16px;
}

.footer-bottom p {
  font-size: var(--text-small);
  line-height: var(--line-small);
  color: var(--color-footer-text);
  opacity: 0.6;
  text-align: center;
}

/* ==========================================================================
   Responsive —— 响应式断点
   ========================================================================== */

/* --- 1024px 断点 --- */
@media (max-width: 1024px) {
  .page-layout,
  .layout-shell,
  .sidebar-right {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .content-primary,
  .main-content {
    min-width: 0;
  }

  .content-aside,
  .sidebar,
  .sidebar-secondary {
    position: static;
  }

  /* 侧栏在手机端放到主内容之后 */
  .sidebar,
  .sidebar-secondary,
  .content-aside {
    margin-top: 0;
  }

  /* 题材库移动端顺序：条目先，面板后 */
  .sidebar-right {
    display: flex;
    flex-direction: column;
  }

  .sidebar-right .aside-panel {
    order: 2;
  }

  /* 首页两栏变一栏 */
  .hero-media-with-text-and-actions,
  .curation-visual-preview {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-copy h1 {
    font-size: 30px;
  }
}

/* --- 768px 断点 --- */
@media (max-width: 768px) {
  :root {
    --text-h1: 28px;
    --text-h2: 20px;
    --text-body: 15px;
  }

  .header-shell {
    min-height: 60px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 8px 16px rgba(38, 48, 38, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .site-nav .nav-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 24px 16px;
    gap: 0;
  }

  .site-nav .nav-list.is-open {
    display: flex;
  }

  .site-nav .nav-list li {
    border-bottom: 1px dashed var(--color-line);
  }

  .site-nav .nav-list li:last-child {
    border-bottom: none;
  }

  .site-nav .nav-list a {
    display: block;
    padding: 12px 8px;
    font-size: 15px;
    border-radius: 0;
  }

  .site-nav .nav-list a.is-current {
    background-color: transparent;
  }

  .site-nav .nav-list a.is-current::after {
    display: none;
  }

  /* 首页模块列数调整 */
  .channel-strip-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .check-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .exit-dual-links .dual-link-card {
    margin-bottom: 0;
  }

  /* 内页模块列数调整 */
  .usage-note-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .visual-pair {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .scope-list,
  .exclusion-list,
  .principles-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .related-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  /* 页脚 */
  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  /* 面包屑与页面标题缩窄 */
  .page-title {
    max-width: 100%;
  }

  .page-description {
    max-width: 100%;
  }

  /* 频道条目 */
  .detail-row {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px;
  }

  /* 首页 hero */
  .hero-media-with-text-and-actions {
    padding-top: 32px;
    padding-bottom: 32px;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action-link {
    width: 100%;
  }
}

/* --- 480px 断点 --- */
@media (max-width: 480px) {
  :root {
    --text-h1: 24px;
    --text-h2: 19px;
    --text-body: 15px;
  }

  .header-shell,
  .footer-shell,
  .home-main > section,
  .inner-main .breadcrumb,
  .inner-main .page-header,
  .inner-main .layout-shell,
  .inner-main .page-layout,
  .inner-main .section-inner,
  .inner-main .guide-related-links,
  .error-main .error-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-name {
    font-size: 19px;
  }

  .page-title {
    font-size: 24px;
  }

  /* 频道条目进一步压缩 */
  .detail-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    padding: 8px 0;
  }

  .detail-row dt {
    margin-bottom: 2px;
  }

  /* 卡片内边距压缩 */
  .channel-item,
  .genre-card-body,
  .curation-summary,
  .curation-principle,
  .curation-usage-advice,
  .guide-intro-statement,
  .check-step-one,
  .check-step-two,
  .check-step-three,
  .abnormal-handling-summary,
  .feedback-entry,
  .policy-scope-section,
  .policy-exclusion-section,
  .policy-column-principles,
  .policy-feedback-flow,
  .faq-group,
  .faq-image-note {
    padding: 16px;
  }

  .genre-card-header {
    padding: 14px 16px;
  }

  .faq-item summary {
    padding: 14px 40px 14px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 16px 14px;
  }

  .footer-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .error-section {
    padding: 32px 20px;
  }

  .error-code {
    font-size: 72px;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

  .hero-figure figcaption,
  .curation-preview-media figcaption {
    font-size: 12px;
  }

  .genre-tag-list {
    gap: 8px;
  }

  .genre-tag {
    padding: 6px 14px;
    font-size: 13px;
  }
}

/* ==========================================================================
   Accessibility —— 可访问性辅助
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 焦点可见 */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-action);
  outline-offset: 2px;
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}